libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/char/4.cc

   1 // 1999-11-15 Kevin Ediger  <kediger@licor.com>
   2 // test the floating point inserters (facet num_put)
   3
   4 // Copyright (C) 1999-2020 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <iomanip>
  22 #include <sstream>
  23 #include <testsuite_hooks.h>
  24
  25 // libstdc++/3655
  26 int
  27 test04()
  28 {
  29   using namespace std;
  30
  31   stringbuf strbuf1, strbuf2;
  32   ostream o1(&strbuf1), o2(&strbuf2);
  33
  34   o1 << hex << showbase << setw(6) << internal << 0xff;
  35   VERIFY( strbuf1.str() == "0x  ff" );
  36
  37   // ... vs internal-adjusted const char*-type objects
  38   o2 << hex << showbase << setw(6) << internal << "0xff";
  39   VERIFY( strbuf2.str() == "  0xff" );
  40
  41   return 0;
  42 }
  43
  44 int
  45 main()
  46 {
  47   test04();
  48   return 0;
  49 }